Clarify behavior of master port having id that clashes with slave ports

[ccrisan]

Consider a master port livingroom.temperature and slave with name livingroom having a port with id `temperature.

Following cases need clarification:

1. adding a master port with the id of a slave port (including slave name)
2. a slave port is added and its id (including slave name) clashes with an existing master port
3. a master port is removed but had the same id as a slave port with id (including slave name)
4. a slave port with id (including slave name) identical to that of a master port is removed

Are these ports exposed? What events are triggered?